I think you just have to decide what is most important to you. To me, that is not perfection. It has never been one of the goals. I enjoy the process and the output, but I don't care if it is perfect.
Sometimes my husband will come by, see a mistake and say "you aren't going to leave that one in, are you?" That is how I know it needs to be fixed- he lets the little ones slide, but his standards are a bit higher than mine, and I figure if he thinks it needs to be fixed, other people might too.
Besides, I figure imperfect quilts are more likely to be used. If parents see that the points don't all line up they may realize it was never intended to be an heirloom, and let the baby use it!